Addition and Subtraction Two Digit Tens

What is the sum of these two numbers?

• 80

• 85

• 45

• 87

There are 112 ducks at the pond. 78 ducks flew away. How many ducks are still at the pond?

• 44 ducks

• 34 ducks

• 54 ducks

• 64 ducks

There are 179 children playing on the boring playground. There are 213 children playing on the fun playground. How many children are playing?

• 312

• 290

• 392

• 892

Estimate the sum of 57+99 by rounding to the nearest tens

• 140

• 160

• 150

• 170

What is 10 MORE than 85?

• 75

• 65

• 95

• 75

What is 10 MORE than 10?

• 30

• 0

• 20

• 2

What is 10 MORE than 43?

• 53

• 57

• 23

• 5

Mr. Fahad has 82 pencils. Then he sells 56 pencils. How many pencils does he have now?

• 24

• 25

• 26

• 27

Find the difference.

293 - 256

• 30

• 39

• 35

• 37

The answer to addition. 5 + 4 = 9

• sum

• difference

• array

• addend